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| Criterion |  Operations A3 Problem Solving |  Operations Root Cause Analysis |  Innovation Brainstorming |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-90 min | 1-4 h | 30-60 min | 45-90 min |
Participantsdifferent | 2-5 | 3-8 | 4-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Idea pool, Theme clusters, Shortlist | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | LeanProblem solvingCoachingOperations | Root causeProblem solvingQualityIncident | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityDivergenceWorkshop |